2309313

Information

• Patent Grant
• 2309313

• References
• Source

• Patent Number

  2,309,313

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1943
  82 years ago

• CPC

  • B23Q35/00 - Control systems or devices for copying directly from a pattern or a master model Devices for use in copying manually
  • B24B19/022 - for helicoidal grooves
  • Y10T409/300336 - to regulate rate of motion [e.g., stopping, etc.]

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 451 - Abrading